Optical Fiber Communications
The third edition of this popular text and reference book presents the fundamental principles for understanding and applying optical fiber technology to sophisticated modern telecommunication systems.
Optical-fiber-based telecommunication networks have become a major information-transmission-system, with high capacity links encircling the globe in both terrestrial and undersea installations. Numerous passive and active optical devices within these links perform complex transmission and networking functions in the optical domain, such as signal amplification, restoration, routing, and switching. Along with the need to understand the functions of these devices comes the necessity to measure both component and network performance, and to model and stimulate the complex behavior of reliable high-capacity networks.
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2 Amplifier Gain One of the most important parameters of an optical amplifier is
the signal gain or amplifier gain G , which is defined as Ps . out G = ( 11 - 9 ) Ps .
in where Ps , in and Ps , out are the input and output powers , respectively , of the
Another characteristic of an EDFA is that its gain is wavelength - dependent in its
normal operating window of 1530 – 1560 nm . ) If it is not equalized over the
spectral range of operation in a multichannel system , this gain variation will
create a ...
Δν where log2 X is the base - 2 logarithm of X . What does this equation show
concerning the relationship between the amplifier gain and the optical bandwidth
? 11 - 6 . Assume the gain profile of an optical amplifier is 8 ( ) = goe - ( 1 - do ) ?
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
14 other sections not shown